Dragon quest heroes rocket slime How do you brakethe crystal wall?

In "Dragon Quest Heroes: Rocket Slime," to break the crystal wall, you need to use the Slime's special ability called the "Rocket Slime" attack. First, find a cannon and collect nearby slimes to launch yourself at the wall. Aim carefully to hit the crystal wall directly, which will shatter it and allow you to progress. Make sure to gather enough slimes to maximize your launch power!